Convert FLV to AVI
Free, fast and secure — convert FLV to AVI right in your browser.
Convert FLV to AVI for wider compatibility
Converting FLV to AVI gives you a more widely supported file that opens cleanly across more devices, apps and platforms — handy when FLV will not play nicely everywhere.
How to convert FLV to AVI
- 1 Drop your FLV file into the converter above.
- 2 It is converted to AVI automatically — no settings to fiddle with.
- 3 Download your new AVI file instantly.
FLV vs AVI
| Feature | FLV | AVI |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | Yes |
| MIME type | video/x-flv | video/x-msvideo |
| Best for | Rescuing old Flash video by converting it to MP4 or WebM. | Legacy desktop video — usually converted to MP4 for sharing and streaming. |
About the formats
Flash video
FLV is the old Flash video container. Once dominant for web streaming, it is now obsolete and almost always needs converting to a modern format like MP4.
Strengths
- Small files for its era
- Plays in legacy Flash players
- Common in old web archives
Limitations
- Obsolete — Flash is discontinued
- No support on modern devices
- Lower quality than modern codecs
Best for: Rescuing old Flash video by converting it to MP4 or WebM.
AVI video
AVI is a long-standing Microsoft container. It is widely readable on desktops and can store high-quality video, but its files are large and it lacks modern streaming features.
Strengths
- Broad desktop compatibility
- Simple, well-understood format
- Can hold high-quality video
Limitations
- Large file sizes
- No modern streaming features
- Weak mobile/browser support
Best for: Legacy desktop video — usually converted to MP4 for sharing and streaming.